Ahh I see. This is an issue of semantics. In my world we refer to developmental stuttering or “typical” disfluencies, which children typically grow out of, as one thing. Then atypical disfluencies are ones they often don’t. But yes an acquired/neurological stutter is a thing too. That’s totally off my radar as I’ve never met someone with that type of stutter before. https://eyaslanding.com/developmental-disfluency-vs-atypical-dysfluency/